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igor_vitrenko [27]
3 years ago
14

5a please :) I don't know the formula

Mathematics
1 answer:
Natali [406]3 years ago
7 0
The Area of a trapezoid = (B+b)xH/2 (B,largest parallel, b,smallest, H, the height)The area of a rectangle = LxW


In the figure we have:

a) 2 trapezoids (1 in the front & 1 in the back & they are equal)
Area of each (19+7)x8/2 ==> 104 cm² & for the two, 208 cm²

b) 2 rectangles (1 top & 1 bottom - the base-)
Top= 7x4 =28 cm²., base = 19x4 =76 cm² ==> 28+76==> 104 cm²

c) 2 rectangles (1 on the left & 1 on the right)
Right = Left =4x10 = 40 cm² ==> for the two 80cm²
TOTAL SURFACE AREA=208+104+80 =392 cm²<u />
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a_sh-v [17]

Answer:x=0.089

Step-by-step explanation:

5 0
4 years ago
How to solve it because i have no idea
Angelina_Jolie [31]
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3 years ago
A window frame has a length of (5x+3) inches an a width of (x+6) inches. The area of the glass in the window is (4x^2+26x+15) sq
boyakko [2]

ANSWER

the area of the trim around the glass in the window is option ( D)

i.e (x²+7x+3)

REASON

As given in the question

A window frame has a length of (5x+3) inches an a width of (x+6) inches.

As the shape of the window in the form of rectangle.

Formula

Area of the rectangle = length × breadth

put the value in the above equation

we get

Area of window =  (5x+3)× ( x + 6)

                         =  5x² + 33x + 18 inches²

As given in the question

The area of the glass in the window is (4x²+26x+15) square inches.

Area trim around the glass in the window = area of the window - area of the glass.

put the value

we get

= (  5x² + 33x + 18 ) - ( 4x²+26x+15)

= 1x²+ 7x + 3  inches²

therefore the correct option is (D)

Hence proved







 


     

8 0
3 years ago
A cashier at Giorgio's Grocery Store gets paid $8 per hour for shifts of 6 hours or less and $12 per hour for working shifts ove
cupoosta [38]

Given :

A cashier at Giorgio's Grocery Store gets paid $8 per hour for shifts of 6 hours or less.

And $12 per hour for working shifts over 6 hours long.

To Find :

A function best represents this situation.

Solution :

Let, number of hours is h and amount paid is y .

For, h ≤ 6

y = 8h

For, h > 6

y = 12h

Therefore, function representing this is :

y( h ) =  8h  , x ≤ 6

            12h , x > 6

Hence, this is the required solution.

5 0
3 years ago
How can u regroup the number 24
mars1129 [50]
You could have 6 groups of four, or 2 groups of 12, or 4 groups of 6 or 12 groups of 2 or 3 groups of 8 or 8 groups of 3
5 0
3 years ago
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